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A185180 as a simple table

na(n)
11
22
33
45
54
66
79
87
98
1010
1114
1212
1311
1413
1515
1620
1718
1816
1917
2019
2121
2227
2325
2423
2522
2624
2726
2828
2935
3033
3131
3229
3330
3432
3534
3636
3744
3842
3940
4038
4137
4239
4341
4443
4545
4654
4752
4850
4948
5046
5147
5249
5351
5453
5555
5665
5763
5861
5959
6057
6156
6258
6360
6462
6564
6666
6777
6875

[1,2,3,5,4,6,9,7,8,10,14,12,11,13,15,20,18,16,17,
 19,21,27,25,23,22,24,26,28,35,33,31,29,30,32,34,
 36,44,42,40,38,37,39,41,43,45,54,52,50,48,46,47,
 49,51,53,55,65,63,61,59,57,56,58,60,62,64,66,77,
 75]